Mercy Hospital. ........., ; 
Mesta Machine Co., heavy machinery. ........ 
Miller Saw-Trimmer Co., printers’ machinery. . .. 
Miller Sons Co., The A. D., oil, gasoline, grease.... 
Monongahela Iron and Steel Co.. melting bar......... 
Montefiore Hospital..........cooviini nn 
Morris and Bailey Steel Co.. cold rolled strip. . ....... 
» 
National Biscuit Co., baking........ it 
National Casket Co., burial supplies. ................ 
National Fire Proofing Co., glazed and unglazed tile. .. 
National Lead and Oil Co., painter’s white lead and oil. 
National Tube Co., pig iron. . 
Ol. 
16 
3 
13 
10 
3 
6 
Q 
12 
9 
13 
Q 
Dale 
Dec. 1928 
Jan. 1920 
Apr. 1927 
Dec. 1923 
Jan. 1920 
Dec. 1928 
Jan. 1920 
Dec. 1925 
Apr. 1927 
Dec. 1922 
Apr. 1927 
Jan. 1920 
0 
Ohio Fuel Corp., gas............ 
Ohio Fuel Oil Co.,0il............. 
Ohio Fuel Supply Co., gas..................... 
Ohio Valley General Hospital, McKees Rocks, Pa... .. 
Oil Well Supply Co., driller’s and oil field supplies. . . .. 
Oklahoma Natural Gas Co., natural gas.............. 
Oliver Iron and Steel Co., bolts, nuts, rivets. ......... 
Our Ladv of Merev Academy, school for girls a 
xr 
Parish Schools of Diocese of Pittsburgh. . 
Park Institute, business school. ...... 
Passavant Hospital.......... 
Pasteur Institute........... to 
Pennsylvania College for Women........... es #3 
Pennsylvania Lubricating Co., oil and grease. . . 
Penna. Salt Mfg. Co., salt.......... 
Petroleum and Natural Gas. ......... ............ 
Philadelphia Co., public utilities, gas & electricity . . . 
Phoenix Glass Co., illuminating glassware 
Pittsburgh, introductory bulletin. .................. 
Pittsburgh Academy, preparatory & business college . . . 
Pittsburgh’s Capital Investment. .......... 
Pittsburgh City Homes and Hospitals............... 
Pittsburgh Clay Pot Co., glass melting pots... ....... 
Pittsburgh Clearing House. ............. 53% 5% 
Pittsburgh Coal Co., gas, coking, steam coal......... 
Pittsburgh Cold Rolled Steel Co., cold rolled strip steel. 
Pittsburgh Gear and Machine Co., gears and chain drives 
Pittsburgh Homoeopathic Hospital. ...  ... 
Pittsburgh Hospital. ............... o.oo 0 
Pittsburgh Iron and Steel Foundries Co., alloy steel... . 
Dec. 1924 
Dec. 1924 
Dec. 1924 
Dec. 1928 
Apr. 1927 
Dec. 1923 
Jan. 1920 
Apr. 1928 
16 
13 
0 
3 
15 
Apr. 1928 
15 Apr. 1928 
16 Dec. 1928 
16 Dec. 1928 
14 Apr. 1928 
11 Dec. 1924 
13 Apr. 1927 
{1 Dec. 1923-24 
10 Dec. 1923 
5 Dec. 1920 
Aug. 1919 
Apr. 1928 
Sept. 1930 
Dec. 1928 
Dec. 1922 
Sept. 1930 
June 1920 
Jan. 1920 
Apr. 1927 
Dec. 1928 
Dec. 1928 
Jan. 1920 
2 
3 
16 
a